OpenTechnical

OT-2026-000013955

Publication integrity record

Foam pad vacuum gripper, four zone face, per zone isolation, plant vacuum fed, pulsed blow-off before set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000013955) never changes.

Identity and time

Publication numberOT-2026-000013955 · never reused
Internal UUID01a0ae6d-8dea-7e36-99f0-80703c71b6c7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:30.489074Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013955
StatusPUBLIC

Content hashes

Canonical text8cc18eb9b6d3d76b4c4751281227d0a15dc78e712307d3b4e728a333e8e45ef7
Markdown09be9b888891ee5143b53685f8b032fe1f9035e66845f8bd4dcd710fc8aa2e43
PDF
Publication page9f74a0e5a86c697e8c9d40a8c9e9e5bd47aef608255f8cc97cf60c74c65d3dbe
Manifeste745608fb5810c90c2437630b2696fe060afed69d704e66c0dfc30d7529c35fd

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
Signature0ElAocrvbyyO6IEA06A61ffXfJfG5nO7Se+/CgXclDuvskqz1/U9xN6yuEgcTBsJSxWiAULGHumrbaIbS8LDDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T12:09:09.552151ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013955
observed 9f74a0e5a86c697e8c9d40a8c9e9e5bd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:09.531477ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013955/manifest.json
observed e745608fb5810c90c2437630b2696fe0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:09.510198ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013955/publication.md
observed 09be9b888891ee5143b53685f8b032fe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:09.485707ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013955/publication.txt
observed 8cc18eb9b6d3d76b4c4751281227d0a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.